forked from Archive/PX4-Autopilot
434 lines
19 KiB
Plaintext
434 lines
19 KiB
Plaintext
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configs/pic32mx README
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=====================
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This README file discusses the port of NuttX to the "Advanced USB Storage
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Demo Board," Model DB-DP11215, from Sure Electronics
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(http://www.sureelectronics.net/). This board features the MicroChip
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PIC32MX440F512H. See also http://www.sureelectronics.net/goods.php?id=1168
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for further information about the Sure DB-DP11215 board.
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Contents
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========
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PIC32MX440F512H Pin Out
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Toolchains
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Loading NuttX with PICkit2
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PIC32MX Configuration Options
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Configurations
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PIC32MX440F512H Pin Out
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=======================
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PIC32MX440F512H 64-Pin QFN (USB) Pin Out.
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LEFT SIDE, TOP-TO-BOTTOM (if pin 1 is in upper left)
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PIN NAME SIGNAL NOTES
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---- ----------------------------- -------------- -------------------------------
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1 PMD5/RE5 PMPD5 Display, JP1-12, DB4
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2 PMD6/RE6 PMPD6 Display, JP1-13, DB6
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3 PMD7/RE7 PMPD7 Display, JP1-14, DB7
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4 SCK2/PMA5/CN8/RG6 SCK SD connector SCK, FLASH (U1) SCK*
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5 SDI2/PMA4/CN9/RG7 SDI SD connector DO, FLASH (U1) SO*
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6 SDO2/PMA3/CN10/RG8 SDO SD connector DI, FLASH (U1) SI*
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7 MCLR\ PIC_MCLR Pulled high, J7-1, ICSP
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8 SS2/PMA2/CN11/RG9 UTIL_CS FLASH (U1) CS*
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9 Vss Grounded
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10 Vdd +3.3V ---
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11 AN5/C1IN+/Vbuson/CN7/RB5 Vbuson/AN5/RB5 To USB VBUS circuitry
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12 AN4/C1IN-/CN6/RB4 SW_OK SW3, Pull high, low means SW3 closed
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13 AN3/C2IN+/CN5/RB3 SW_UP SW1, Pull high, low means SW1 closed
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14 AN2/C2IN-/CN4/RB2 SW_Down SW2, Pull high, low means SW2 closed
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15 PGEC1/AN1/Vref-/CVref-/CN3/ ADC_SENSE_SWITCHED_+VBUS To USB VBUS circuitry
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RB1
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16 PGED1/AN0/VREF+/CVREF+/PMA6/ N/C Not connected
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CN2/RB0
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*FLASH (U1, SOIOC) not populated
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BOTTOM SIDE, LEFT-TO-RIGHT (if pin 1 is in upper left)
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PIN NAME SIGNAL NOTES
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---- ----------------------------- -------------- -------------------------------
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17 PGEC2/AN6/OCFA/RB6 PIC_PGC2 J7-5, ICSP
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18 PGED2/AN7/RB7 PIC_PGD2 J7-4, ICSP
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19 AVdd +3.3V ---
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20 AVss Grounded
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21 AN8/U2CTS/C1OUT/RB8 N/C Not connected
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22 AN9/C2OUT/PMA7/RB9 N/C Not connected
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23 TMS/AN10/CVREFOUT/PMA13/RB10 UTIL_WP FLASH (U1) WP*
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24 TDO/AN11/PMA12//RB11 SD_CS SD connector CS
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25 Vss Grounded
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26 Vdd +3.3V ---
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27 TCK/AN12/PMA11/RB12 SD_CD SD connector CD
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28 TDI/AN13/PMA10/RB13 SD_WD SD connector WD
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29 AN14/U2RTS/PMALH/PMA1/RB14 N/C Not connected
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30 AN15/OCFB/PMALL/PMA0/CN12/ PMPA0 Display, JP1-4, RS
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RB15
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31 SDA2/U2RX/PMA9/CN17/RF4 RXD2_MCU J5 DB9 via RS232 driver
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32 SCL2/U2TX/PMA8/CN18/RF5 TXD2_MCU J5 DB9 via RS232 driver
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*FLASH (U1, SOIOC) not populated
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RIGHT SIDE, TOP-TO-BOTTOM (if pin 1 is in upper left)
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PIN NAME SIGNAL NOTES
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---- ----------------------------- -------------- -------------------------------
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48 SOSCO/T1CK/CN0/RC14 SOSCO 32.768KHz XTAL (Y1)
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47 SOSCI/CN1/RC13 SOSCI 32.768KHz XTAL (Y1)
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46 OC1/INT0/RD0 PWM1 Used to control backlight level (K)
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45 IC4/PMCS1/PMA14/INT4/RD11 PMPCS1 Display, JP1-6, E
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44 SCL1/IC3/PMCS2/PMA15/INT3/ USB_OPT USB PHY
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RD10
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43 U1CTS/SDA1/IC2/INT2/RD9 USB_OPTEN USB PHY
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42 RTCC/IC1/INT1/RD8 N/C Not connected
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41 Vss Grounded
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40 OSC2/CLKO/RC15 OSC2 20MHz XTAL (Y2)
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39 OSC1/CLKI/RC12 OSC1 20MHz XTAL (Y2)
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38 Vdd +3.3V ---
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37 D+/RG2 APPS_D+ USB connectors via PHY
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36 D-/RG3 APPS_D- USB connectors via PHY
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35 Vusb +3.3V ---
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34 Vbus VBUS_DEVICE_MODE Display, USB Mini-B, USB Type A, JP1-1, +5V
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33 USBID/RF3 N/C Not connected
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TOP SIDE, LEFT-TO-RIGHT (if pin 1 is in upper left)
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PIN NAME SIGNAL NOTES
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---- ----------------------------- -------------- -------------------------------
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64 PMPD4/RE4 PMPD4 Display, JP1-11, DB4
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63 PMPD3/RE3 PMPD3 Display, JP1-10, DB3
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62 PMPD2/RE2 PMPD2 Display, JP1-9, DB2
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61 PMPD1/RE1 PMPD1 Display, JP1-8, DB1
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60 PMPD0/RE0 PMPD0 Display, JP1-7, DB0
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59 RF1 RF1 Low illuminates LED/R/ERR
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58 RF0 RF0 Low illuminates LED/Y/flash
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57 ENVREG ENVREG Pulled high
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56 Vcap/Vddcore VDDCORE Capactors to ground
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55 CN16/RD7 RD7 Low illuminates LED/Y/USB
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54 CN15/RD6 RD6 Low illuminates LED/Y/SD
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53 PMRD/CN14/RD5 PMPRD Display, JP1-5, R/W
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52 OC5/IC5/PMWR/CN13/RD4 N/C Not connected
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51 U1TX/OC4/RD3 CP2102_RXD J6-3, UART1 (also CP2102*)
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50 U1RX/OC3/RD2 CP2102_TXD J6-2, UART1 (also CP2102*)
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49 U1RTS/OC2/RD1 PWM2 Used to control backlight level (Vo)
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*USB-to-UART bridge (U1, CP2102) not populated
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Toolchains
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==========
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I am using the free, LITE version of the PIC32MX toolchain available
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for download from the microchip.com web site. I am using the Windows
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version. The MicroChip toolchain is the only toolchaing currently
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supported in these configurations, but it should be a simple matter to
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adapt to other toolchains by modifying the Make.defs file include in
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each configuration.
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Toolchain Options:
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CONFIG_PIC32MX_MICROCHIPW - MicroChip full toolchain for Windows
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CONFIG_PIC32MX_MICROCHIPL - MicroChip full toolchain for Linux
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CONFIG_PIC32MX_MICROCHIPW_LITE - MicroChip LITE toolchain for Windows
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CONFIG_PIC32MX_MICROCHIPL_LITE - MicroChip LITE toolchain for Linux
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Windows Native Toolchains
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NOTE: There are several limitations to using a Windows based toolchain in a
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Cygwin environment. The three biggest are:
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1. The Windows toolchain cannot follow Cygwin paths. Path conversions are
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performed automatically in the Cygwin makefiles using the 'cygpath' utility
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but you might easily find some new path problems. If so, check out 'cygpath -w'
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2. Windows toolchains cannot follow Cygwin symbolic links. Many symbolic links
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are used in Nuttx (e.g., include/arch). The make system works around these
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problems for the Windows tools by copying directories instead of linking them.
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But this can also cause some confusion for you: For example, you may edit
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a file in a "linked" directory and find that your changes had no effect.
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That is because you are building the copy of the file in the "fake" symbolic
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directory. If you use a Windows toolchain, you should get in the habit of
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making like this:
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make clean_context all
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An alias in your .bashrc file might make that less painful.
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3. Dependencies are not made when using Windows versions of the GCC. This is
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because the dependencies are generated using Windows pathes which do not
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work with the Cygwin make.
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Support has been added for making dependencies with the windows-native toolchains.
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That support can be enabled by modifying your Make.defs file as follows:
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- MKDEP = $(TOPDIR)/tools/mknulldeps.sh
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+ MKDEP = $(TOPDIR)/tools/mkdeps.sh --winpaths "$(TOPDIR)"
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If you have problems with the dependency build (for example, if you are not
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building on C:), then you may need to modify tools/mkdeps.sh
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Loading NuttX with PICkit2
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==========================
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NOTE: You need a PICKit3 if you plan to use the MPLAB debugger! The PICKit2
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can, however, still be used to load programs. Instructions for the PICKit3
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are similar.
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Intel Hex Forma Files:
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----------------------
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When NuttX is built it will produce two files in the top-level NuttX
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directory:
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1) nuttx - This is an ELF file, and
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2) nuttx.ihx - This is an Intel Hex format file. This is controlled by
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the setting CONFIG_INTELHEX_BINARY in the .config file.
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The PICkit tool wants an Intel Hex format file to burn into FLASH.
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However, there are two problems with the generated nutt.ihx:
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1) The tool expects Intel Hex format files to be named *.hex. This
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is not a significant issue. However, just renaming the file to
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nuttx.hex is *not* sufficient. There is another problem:
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2) The tool expects the nuttx.hex file to contain physical addresses.
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But the nuttx.ihx file generated from the top-level make will have
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address in the KSEG0 and KSEG1 regions.
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tools/mkpichex:
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---------------
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There is a simple tool in the configs/sure-pic32mx/tools directory
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that can be used to solve both issues with the nuttx.ihx file. But,
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first, you must build the the tools:
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cd configs/sure-pic32mx/tools
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make
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Now you will have an excecutable file call mkpichex (or mkpichex.exe on
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Cygwin). This program will take the nutt.ihx file as an input, it will
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convert all of the KSEG0 and KSEG1 addresses to physical address, and
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it will write the modified file as nuttx.hex.
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To use this file, you need to do the following things:
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. ./setenv.sh # Source setenv.sh. Among other this, this script
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# will add configs/sure-pic32mx/tools to your
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# PATH variable
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make # Build nuttx and nuttx.ihx
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mkpichex $PWD # Convert nuttx.ihx to nuttx.hex. $PWD is the path
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# to the top-level build directory. It is the only
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# required input to mkpichex.
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PIC32MX Configuration Options
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=============================
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General Architecture Settings:
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CONFIG_ARCH - Identifies the arch/ subdirectory. This should
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be set to:
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CONFIG_ARCH=mips
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CONFIG_ARCH_family - For use in C code:
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CONFIG_ARCH_MIPS=y
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CONFIG_ARCH_architecture - For use in C code:
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CONFIG_ARCH_MIPS32=y
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CONFIG_ARCH_CHIP - Identifies the arch/*/chip subdirectory
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CONFIG_ARCH_CHIP=pic32mx
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CONFIG_ARCH_CHIP_name - For use in C code to identify the exact
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chip:
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CONFIG_ARCH_CHIP_PIC32MX440F512H=y
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CONFIG_ARCH_BOARD - Identifies the configs subdirectory and
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hence, the board that supports the particular chip or SoC.
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CONFIG_ARCH_BOARD=sure-pic32mx
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CONFIG_ARCH_BOARD_name - For use in C code
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CONFIG_ARCH_BOARD_SUREPIC32MX=y
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CONFIG_ARCH_LOOPSPERMSEC - Must be calibrated for correct operation
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of delay loops
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CONFIG_ENDIAN_BIG - define if big endian (default is little
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endian)
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CONFIG_DRAM_SIZE - Describes the installed DRAM (CPU SRAM in this case):
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CONFIG_DRAM_SIZE=(32*1024) (32Kb)
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There is an additional 32Kb of SRAM in AHB SRAM banks 0 and 1.
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CONFIG_DRAM_START - The start address of installed DRAM
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CONFIG_DRAM_START=0x10000000
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CONFIG_DRAM_END - Last address+1 of installed RAM
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CONFIG_DRAM_END=(CONFIG_DRAM_START+CONFIG_DRAM_SIZE)
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CONFIG_ARCH_IRQPRIO - The PIC32MXx supports interrupt prioritization
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CONFIG_ARCH_IRQPRIO=y
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CONFIG_ARCH_LEDS - Use LEDs to show state. Unique to boards that
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have LEDs
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CONFIG_ARCH_INTERRUPTSTACK - This architecture supports an interrupt
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stack. If defined, this symbol is the size of the interrupt
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stack in bytes. If not defined, the user task stacks will be
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used during interrupt handling.
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CONFIG_ARCH_STACKDUMP - Do stack dumps after assertions
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CONFIG_ARCH_LEDS - Use LEDs to show state. Unique to board architecture.
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CONFIG_ARCH_CALIBRATION - Enables some build in instrumentation that
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cause a 100 second delay during boot-up. This 100 second delay
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serves no purpose other than it allows you to calibratre
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CONFIG_ARCH_LOOPSPERMSEC. You simply use a stop watch to measure
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the 100 second delay then adjust CONFIG_ARCH_LOOPSPERMSEC until
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the delay actually is 100 seconds.
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PIC32MX Configuration
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CONFIG_PIC32MX_MVEC - Select muli- vs. single-vectored interrupts
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Individual subsystems can be enabled:
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CONFIG_PIC32MX_WDT - Watchdog timer
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CONFIG_PIC32MX_T2 - Timer 2 (Timer 1 is the system time and always enabled)
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CONFIG_PIC32MX_T3 - Timer 3
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CONFIG_PIC32MX_T4 - Timer 4
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CONFIG_PIC32MX_T5 - Timer 5
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CONFIG_PIC32MX_IC1 - Input Capture 1
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CONFIG_PIC32MX_IC2 - Input Capture 2
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CONFIG_PIC32MX_IC3 - Input Capture 3
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CONFIG_PIC32MX_IC4 - Input Capture 4
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CONFIG_PIC32MX_IC5 - Input Capture 5
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CONFIG_PIC32MX_OC1 - Output Compare 1
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CONFIG_PIC32MX_OC2 - Output Compare 2
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CONFIG_PIC32MX_OC3 - Output Compare 3
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CONFIG_PIC32MX_OC4 - Output Compare 4
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CONFIG_PIC32MX_OC5 - Output Compare 5
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CONFIG_PIC32MX_I2C1 - I2C 1
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CONFIG_PIC32MX_I2C2 - I2C 2
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CONFIG_PIC32MX_SPI2 - SPI 2
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CONFIG_PIC32MX_UART1 - UART 1
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CONFIG_PIC32MX_UART2 - UART 2
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CONFIG_PIC32MX_ADC - ADC 1
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CONFIG_PIC32MX_PMP - Parallel Master Port
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CONFIG_PIC32MX_CM1 - Comparator 1
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CONFIG_PIC32MX_CM2 - Comparator 2
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CONFIG_PIC32MX_RTCC - Real-Time Clock and Calendar
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CONFIG_PIC32MX_DMA - DMA
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CONFIG_PIC32MX_FLASH - FLASH
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CONFIG_PIC32MX_USBDEV - USB device
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CONFIG_PIC32MX_USBHOST - USB host
|
||
|
|
|
||
|
|
|
||
|
|
PIC32MX Configuration Settings
|
||
|
|
DEVCFG0:
|
||
|
|
CONFIG_PIC32MX_DEBUGGER - Background Debugger Enable. Default 3 (disabled). The
|
||
|
|
value 2 enables.
|
||
|
|
CONFIG_PIC32MX_ICESEL - In-Circuit Emulator/Debugger Communication Channel Select
|
||
|
|
Default 1 (PG2)
|
||
|
|
CONFIG_PIC32MX_PROGFLASHWP - Program FLASH write protect. Default 0xff (disabled)
|
||
|
|
CONFIG_PIC32MX_BOOTFLASHWP - Default 1 (disabled)
|
||
|
|
CONFIG_PIC32MX_CODEWP - Default 1 (disabled)
|
||
|
|
DEVCFG1: (All settings determined by selections in board.h)
|
||
|
|
DEVCFG2: (All settings determined by selections in board.h)
|
||
|
|
DEVCFG3:
|
||
|
|
CONFIG_PIC32MX_USBIDO - USB USBID Selection. Default 1 if USB enabled
|
||
|
|
(USBID pin is controlled by the USB module), but 0 (GPIO) otherwise.
|
||
|
|
CONFIG_PIC32MX_VBUSIO - USB VBUSON Selection (Default 1 if USB enabled
|
||
|
|
(VBUSON pin is controlled by the USB module, but 0 (GPIO) otherwise.
|
||
|
|
CONFIG_PIC32MX_WDENABLE - Enabled watchdog on power up. Default 0 (watchdog
|
||
|
|
can be enabled later by software).
|
||
|
|
|
||
|
|
The priority of interrupts may be specified. The value ranage of
|
||
|
|
priority is 4-31. The default (16) will be used if these any of these
|
||
|
|
are undefined.
|
||
|
|
|
||
|
|
CONFIG_PIC32MX_CTPRIO - Core Timer Interrupt
|
||
|
|
CONFIG_PIC32MX_CS0PRIO - Core Software Interrupt 0
|
||
|
|
CONFIG_PIC32MX_CS1PRIO - Core Software Interrupt 1
|
||
|
|
CONFIG_PIC32MX_INT0PRIO - External Interrupt 0
|
||
|
|
CONFIG_PIC32MX_INT1PRIO - External Interrupt 1
|
||
|
|
CONFIG_PIC32MX_INT2PRIO - External Interrupt 2
|
||
|
|
CONFIG_PIC32MX_INT3PRIO - External Interrupt 3
|
||
|
|
CONFIG_PIC32MX_INT4PRIO - External Interrupt 4
|
||
|
|
CONFIG_PIC32MX_FSCMPRIO - Fail-Safe Clock Monitor
|
||
|
|
CONFIG_PIC32MX_T1PRIO - Timer 1 (System timer) priority
|
||
|
|
CONFIG_PIC32MX_T2PRIO - Timer 2 priority
|
||
|
|
CONFIG_PIC32MX_T3PRIO - Timer 3 priority
|
||
|
|
CONFIG_PIC32MX_T4PRIO - Timer 4 priority
|
||
|
|
CONFIG_PIC32MX_T5PRIO - Timer 5 priority
|
||
|
|
CONFIG_PIC32MX_IC1PRIO - Input Capture 1
|
||
|
|
CONFIG_PIC32MX_IC2PRIO - Input Capture 2
|
||
|
|
CONFIG_PIC32MX_IC3PRIO - Input Capture 3
|
||
|
|
CONFIG_PIC32MX_IC4PRIO - Input Capture 4
|
||
|
|
CONFIG_PIC32MX_IC5PRIO - Input Capture 5
|
||
|
|
CONFIG_PIC32MX_OC1PRIO - Output Compare 1
|
||
|
|
CONFIG_PIC32MX_OC2PRIO - Output Compare 2
|
||
|
|
CONFIG_PIC32MX_OC3PRIO - Output Compare 3
|
||
|
|
CONFIG_PIC32MX_OC4PRIO - Output Compare 4
|
||
|
|
CONFIG_PIC32MX_OC5PRIO - Output Compare 5
|
||
|
|
CONFIG_PIC32MX_I2C1PRIO - I2C 1
|
||
|
|
CONFIG_PIC32MX_I2C2PRIO - I2C 2
|
||
|
|
CONFIG_PIC32MX_SPI2PRIO - SPI 2
|
||
|
|
CONFIG_PIC32MX_UART1PRIO - UART 1
|
||
|
|
CONFIG_PIC32MX_UART2PRIO - UART 2
|
||
|
|
CONFIG_PIC32MX_CN - Input Change Interrupt
|
||
|
|
CONFIG_PIC32MX_ADCPRIO - ADC1 Convert Done
|
||
|
|
CONFIG_PIC32MX_PMPPRIO - Parallel Master Port
|
||
|
|
CONFIG_PIC32MX_CM1PRIO - Comparator 1
|
||
|
|
CONFIG_PIC32MX_CM2PRIO - Comparator 2
|
||
|
|
CONFIG_PIC32MX_FSCMPRIO - Fail-Safe Clock Monitor
|
||
|
|
CONFIG_PIC32MX_RTCCPRIO - Real-Time Clock and Calendar
|
||
|
|
CONFIG_PIC32MX_DMA0PRIO - DMA Channel 0
|
||
|
|
CONFIG_PIC32MX_DMA1PRIO - DMA Channel 1
|
||
|
|
CONFIG_PIC32MX_DMA2PRIO - DMA Channel 2
|
||
|
|
CONFIG_PIC32MX_DMA3PRIO - DMA Channel 3
|
||
|
|
CONFIG_PIC32MX_FCEPRIO - Flash Control Event
|
||
|
|
CONFIG_PIC32MX_USBPRIO - USB
|
||
|
|
|
||
|
|
PIC32MXx specific device driver settings. NOTE: For the Sure board,
|
||
|
|
UART2 is brought out to the DB9 connector and serves as the serial
|
||
|
|
console.
|
||
|
|
|
||
|
|
CONFIG_UARTn_SERIAL_CONSOLE - selects the UARTn for the
|
||
|
|
console and ttys0 (default is the UART0).
|
||
|
|
CONFIG_UARTn_RXBUFSIZE - Characters are buffered as received.
|
||
|
|
This specific the size of the receive buffer
|
||
|
|
CONFIG_UARTn_TXBUFSIZE - Characters are buffered before
|
||
|
|
being sent. This specific the size of the transmit buffer
|
||
|
|
CONFIG_UARTn_BAUD - The configure BAUD of the UART. Must be
|
||
|
|
CONFIG_UARTn_BITS - The number of bits. Must be either 7 or 8.
|
||
|
|
CONFIG_UARTn_PARTIY - 0=no parity, 1=odd parity, 2=even parity
|
||
|
|
CONFIG_UARTn_2STOP - Two stop bits
|
||
|
|
|
||
|
|
PIC32MXx USB Device Configuration
|
||
|
|
|
||
|
|
PIC32MXx USB Host Configuration (the PIC32MX does not support USB Host)
|
||
|
|
|
||
|
|
Configurations
|
||
|
|
==============
|
||
|
|
|
||
|
|
Each PIC32MX configuration is maintained in a sudirectory and can be
|
||
|
|
selected as follow:
|
||
|
|
|
||
|
|
cd tools
|
||
|
|
./configure.sh sure-pic32mx/<subdir>
|
||
|
|
cd -
|
||
|
|
. ./setenv.sh
|
||
|
|
|
||
|
|
Where <subdir> is one of the following:
|
||
|
|
|
||
|
|
ostest:
|
||
|
|
This configuration directory, performs a simple OS test using
|
||
|
|
apps/examples/ostest.
|